4161results about How to "Simple process" patented technology

A multimedia data recording apparatus is disclosed that enables large-volume recorded data to be recorded for a long period in accordance with the importance of the data, by means of a simple configuration and simple processing, and without imposing a heavy load on the system. In this apparatus, a layer classification section classifies video data captured by a surveillance camera and input via a video processing section into a plurality of layers on a frame-by-frame basis according to importance. A data recording section assigns a file to each layer and records classified data in a data recording medium. If an information amount reduction section detects that the vacant capacity of the data recording medium has reached or fallen below a threshold value, it deletes a frame belonging to the lowest layer among the plurality of layers.

A wet ammonium flue gas cleaning process for desulfurizing and denitrifying and a system thereof are disclosed. The process oxidates NO in the flue gas to be NO2, makes SO2 and NO2 in the flue gas react with ammonium to product ammonium sulfite, ammonium nitrate and ammonium nitrite, then oxidates ammonium sulfite and ammonium nitrite therein to product the byproduct that is ammiaonia sulfate and ammonium nitrate, and lastly gets the clear flue gas after demisting to the desulfurizing and denitrifying flue gas. The system comprises a dust pre-collector, a hydrogen peroxide or ozone sprayer, and a desulfurizing and denitrifying tower, which are connected in turns, wherein ammonia replenishment system and an air feeding device are mounted at the bottom of the desulfurizing and denitrifying tower, sprinkling layer which can cycle sprinkle is mounted at the middle, and a demister is mounted at the upper. The invention has a simple process, a simplified system, a low investment and operation cost. The invention not only has a high efficiency in desulfurizing and denitrifying, but also a high utilance of desulfurizing and denitrifying absorbent, and byproduct of desulfurization and denitration can be utilized as chemical fertilizer of ammiaonia sulfate and ammonium nitrate.

The invention discloses a method for recycling a metal oxide from a waste flue gas denitration catalyst, comprising the following steps of: crushing the waste flue gas denitration catalyst to carry out pre-roasting pretreatment at high temperature; adding Na2CO3 into the waste flue gas denitration catalyst according to the proportion, mixing, pulverizing and roasting at high temperature to obtain a sintering block; crushing the sintering block and putting the crushed sintering block into hot water, and stirring and lixiviating to obtain titanate; adding sulphuric acid into the titanate, filtering, water-washing and roasting to obtain TiO2; adding the sulphuric acid into the lixiviated filtering liquid to regulate a pH value to 8.0-9.0; adding excessive NH4Cl for vanadium precipitation; decomposing NH4VO3 obtained from filtering at high temperature to prepare a V2O5 product; adding hydrochloric acid into the filtering liquid subjected to the vanadium precipitation to regulate a pH value to 4.5-5.0; adding CaCl2 for molybdenum and tungsten precipitation; treating the CaM0O4 and CaWO4, obtained from filtering, with the hydrochloric acid and roasting to obtain MoO3 and WO3. The method of the invention has the advantages of simple process and apparatus, high recycling efficiency, good product technical data, large treatment capacity and the like.

COS is selectively removed with respect to CO₂ from a hydrocarbonaceous fluid stream which contains CO₂ and COS. Examples of the fluid stream include a gas stream, for example natural gas, synthesis gas from heavy oil or heavy residues or refinery gas, or from liquid or liquefied hydrocarbons, for example LPG (Liquefied Petroleum Gas) or NGL (Natural Gas Liquids). The process is carried out by (1) intimately contacting the fluid stream in an absorption or extraction zone with a scrubbing liquor consisting of an aqueous amine solution containing from 1.5 to 5 mol/l of an aliphatic alkanolamine having of from 2 to 12 carbon atoms and from 0.8 to 1.7 mol/l of at least one activator selected from the group consisting of piperazine, methyl piperazine and morpholine, (2) removing the COS essentially completely from the fluid stream, and (3) separating the substantially COS-decontaminated fluid stream and the COS-loaded scrubbing liquor and discharging them from the absorption or extraction zone.

The invention discloses a method for preparing a graphite alkyne film. The method comprises that: a copper sheet or any one substrate the surface of which is covered with a copper film layer is used as a substrate; 6-alkynyl-benzene is subjected to coupling reaction in a solvent under the catalytic action of the copper to obtain the graphite alkyne film on the surface of the substrate. The method for preparing the graphite alkyne film, which is provided by the invention, has simple and convenient process, and can carry out large-scale preparation of the graphite alkyne film on the surface of the copper sheet or the substrate any surface of which is covered with the copper. The electrical conductivity of the graphite alkyne film is 2.516*10-4S/m. The film has uniform surface, can exist stably in the air, is a semiconductor with similar performances with silicon, and has potential application prospect in the fields of catalysis, electron, semiconductor, energy, material and the like.

The invention provides a method for recovering valuable metals from a waste lithium manganese oxide battery with simple process, low cost and high purification purity to comprehensively metals such as manganese, lithium, aluminum, copper nickel and the like. The method comprises the following steps of: soaking and peeling off active substances of the battery in organic solvent to directly obtain clean aluminum, copper, nickel foils and diaphragms; reacting acid solution with LiMn2O4 in a battery electrical core to generate soluble salts of the lithium and the manganese; regulating a pH value to 5-7 by using NaOH solution or ammonia water to enable iron ions, aluminum ions and copper ions in the solution to be wholly deposited, filtering and separating; regulating the pH value to 10-12 by using the NaOH solution or the ammonia water, and depositing and filtering to obtain manganous hydroxide solids and lithium containing filtrate; and finally, firing the manganous hydroxide solids to obtain MnO2, reacting the lithium containing filtrate with sodium carbonate to generate lithium carbonate, and filtering, washing and drying the lithium carbonate to obtain pure lithium carbonate. Through the steps, the recovery rate of the lithium in the battery is higher than 85 percent.

The invention provides an electric vehicle charging station sequential charging control method based on a dynamic time-of-use electricity price. According to the method, a charging time-of-use electricity price preferential period is obtained through calculation according to the charging requirement of electric vehicles in a charging station and the maximum charging load of a power grid and is provided for clients, and whether charging is started immediately or charging is started till the electricity price becomes lower is selected by the clients themselves so that the purpose of coordination control over sequential charging of the electric vehicles in the charging station can be achieved. By means of the method, it is effectively facilitated that the electric vehicles in the charging station are charged during a night valley electricity price period, and accordingly economic benefits of the electric vehicle station can be improved. Meanwhile, the charging peak load of the charging station can be effectively controlled, and the negative effect of electric vehicle charging on the power grid is reduced to the maximum. A calculation model is simple, computational efficiency is high, and the requirement for hardware environment of a control system is low; because the clients make decisions by themselves once the electricity price is issued at one time, charging can be continuous and reliable, and the negative effect of frequent on-off of chargers in an existing sequential charging strategy on the service life of batteries and the chargers is effectively reduced as well.

The invention provides a method for manufacturing a silicon photoelectric diode, which belongs to the field of manufacturing semiconductor devices. The invention particularly relates to the method for manufacturing the silicon photoelectric diode. The method comprises the following steps of: adopting an insulator upper silicon wafer as a substrate, wherein the insulator upper silicon wafer comprises a support silicon chip, a silicon dioxide buried layer and a device layer; processing an isolated groove of a closed ring first on the device layer by adopting a dry etching process; growing a silicon dioxide layer with a certain thickness on the upper surface of the device layer of the insulator upper silicon wafer; performing ion implantation doping on the device layer by penetrating the silicon dioxide layer to obtain a P type doped region and an N type doped region; and growing a titanium metal layer and an aluminum metal layer with certain thicknesses on the upper surface of the device layer successively by adopting a sputtering method, and performing photoetching to form a positive electrode and a negative electrode to finally obtain a silicon photoelectric diode structure. The method for manufacturing the silicon photoelectric diode has the advantages of simple process, high reliability, good repeatability and stability, and can be integrated with other devices.

The invention discloses a method for extracting industrial hemp oil rich in cannabidiol. The method includes the steps that supercritical carbon dioxide fluid is adopted for extracting industrial hemp oil from industrial hemp, during extraction, cooled industrial hemp powder is placed in a material barrel of an extraction kettle, CO2 gas is injected into the extraction kettle, the temperature and pressure in the extraction kettle are kept, the CO2 gas makes contact with raw materials in a supercritical state, the industrial hemp oil and other ingredients in the industrial hemp powder are dissolved in the supercritical fluid, the fluid containing cannabidiol and other ingredients throttles and expands in the extraction kettle and enters a separation kettle to be analyzed, and the industrial hemp oil is obtained and collected. The CO2 fluid in the supercritical state is used as an extraction solvent, reuse is achieved in the same system, the process is simple, energy consumption is low, the extraction period is short, is only 1-2 h and is 1/4 of the production period in the prior art, and the extracted industrial hemp oil has the advantages of being good in quality, high in purity, free of abnormal smells, solvent residues and environmental pollution and the like.

Disclosed are a lithium secondary battery comprising a fibrous membrane/electrode composite in which an ultra-fine fibrous porous polymer membrane is combined with an electrode into one body and a hybrid type polymer electrolyte in which pores of the ultra-fine fibrous porous polymer membrane is impregnated with an organic electrolyte solution or a polymer electrolyte; and a fabrication method thereof.

This invention relates to a method for recovering and processing waste fluorescent lamps of straight fluorescent lamps, energy-saving lamps and rare earth three-basic color lamps including: safely cutting a waste fluorescent lamp to recover gas Hg, recovering Al caps, brass bolts, filament metals and adhesive Hg, recovering Hg in relaxed fluorescent powder and separating and recovering rare earth elements and other valuable elements from fluorescent powder by fire and recovering Hg and rare earth elements in the glass and adhered powder by a fire method, which applies one time of fire method to recover and separate Hg, rare earth and other valuable elements in fluorescent powder and the special recovery reaction bake oven includes a master reaction oven and several ovens controlling temperature independently.

The invention discloses a method for preparing a TiO2/g-C3N4 composite visible light catalyst. The method comprises the following steps: firstly, uniformly dispersing a titanium source and a nitrogen source in ethanol, and subsequently dropping water into ethanol so as to obtain a mixed material; evaporating to dry the mixed material in a stirring state so as to obtain a precursor; transferring the prepared precursor to a muffle furnace, and calcining for 0.5-12 hours at 300-800 DEG C in the muffle furnace, thereby obtaining the TiO2/g-C3N4 composite visible light catalyst. The TiO2/g-C3N4 composite visible light catalyst can be prepared while TiO2 and g-C3N4 are prepared, and the synthesis of the two compounds TiO2 and g-C3N4 and the preparation of the composite visible light catalyst are achieved at one step; the process is simple, and industrialization production is easy to achieve. The composite visible light catalyst disclosed by the invention is rich in photocatalytic activity center, relatively high in both light absorption rate and photocatalytic activity, and relatively high in photocatalytic degradation rate of organisms.

The invention provides a preparation method for a graphene film. The method comprises the following steps of carrying out ultrasonic soaking and stirring on graphene oxide, carrying out impurity filtration, coating a PET (Polyethyleneglycol Terephthalate) film with a graphene oxide solution, and carrying out carbonization and graphitization, thereby obtaining the graphene film. The method is simple in process and easy to popularize, and the obtained graphene film has extremely high shielding effectiveness and good heat dissipating performance.

The invention discloses a method for amination of a carbon nano tube, relating to a method for amination and solving the problems of complicated process and low nitrogenous functional group introduction efficiency of the existing method for modification of the carbon nano tube. The method is as follows: first, putting the pre-treated carbon nano tube into a supercritical reactor for reaction; and second, washing the products from the first step through distilled water and then vacuum drying under 55-65 DEG C. In this way, an aminated carbon nano tube can be prepared. The method is simple in process, and the analysis of the infrared spectrum diagram and infrared X-ray electron spectrum diagram of the aminated carbon nano tube prepared through the method shows that the nitrogenous functional group introduction efficiency through the method is high.

An expression converting method wherein for each sentence in a corpus, key words are selected from the sentence, a combination of key words that are in a co-occurrence relation is identified from among a predetermined number of combinations of key words among the selected key words, and the identified key word combination and an expression into which the sentence from which the key words are selected is converted are previously associated, and wherein predetermined key words are selected from an input sentence, the selected key words are combined, the key word combinations and the previously identified key word combination of each sentence are compared, one or more than one sentences that coincide or have a high degree of similarity as a result of the comparison are selected, and expressions into which the selected sentences are converted are output.

A memory, comprising a metal portion, a first metal layer and second metal oxide layer is provided. The first metal oxide layer is on the metal element, and the first metal oxide layer includes N resistance levels. The second metal oxide layer is on the first metal oxide layer, and the second metal oxide layer includes M resistance levels. The memory has X resistance levels and X is less than the summation of M and N, for minimizing a programming disturbance.

The present invention relates to an image sensor chip package and a method for fabricating the same. In one embodiment of an image sensor chip package, chip pads on a first surface of an image sensor chip are attached to electrode pads of a glass substrate with conductive material. In addition, electrode pads are connected to solder balls via a metal wiring pattern arranged on a second surface of the image sensor chip. As a result, the present invention can provide further miniaturized and thinned image sensor chip packages, reduce fabricating processes, and improve device performance and reliability.

The invention relates to the comprehensive purification method for foul odor. It categorizes the foul odor from various sources by VOC density. Low density VOC waste is cleaned first, the absorption purification to achieve tail gas emission standard, sewage treatment for the cleaned waste water. The desorption resurgent gases is mixed with high density VOC waste for density average, burning and purification. It can effectively purify waste gases from various sources and features, with simple process, good purification effect, low energy consumption and easy operation.

The invention relates to application of Quzhazhigan serving as polyhydroxy stilbene glycoside compounds in preparation of preparations for preventing and treating ischemic cardio-cerebrovascular diseases, and a preparation method thereof. The Quzhazhigan is compounds (E)-1-(3,5-dihydroxy phenyl)-2(3-hydroxyl-4-O-beta-D-pyran glucose phenyl)ethane, and has a chemical structural formula. Test results show that the Quzhazhigan can significantly reduce injury caused by ischemia reperfusion after cardio-cerebral infarction and has wide application in the preparation of preparations for preventing and treating cardiac-cerebral ischemia diseases. The Quzhazhigan can be extracted from roots and/or rhizome of Rheum lhasaense and prepared in pure alcohol/water systems, thereby having the advantagesof simple convenient property, environment-friendly property and strong practicability.

The procedure of the recycling method is to cut the used lithium ion battery and take out the positive plate, process the positive plate with heating process to remove the bond between the aluminum foil and the positive pole material, by means of the mechanical or ultrasound shaking, the aluminum foil and the positive pole material are separated, process the positive pole material with the high-temperature handling, the content of the element in the positive pole material is analyzed. Mixing the lithium compound based on the supplement of the cobalt manganese or the nickel. After high-temperature and grinding processing, the positive pole material with excellent performance is recycled.

The invention provides a preparation method of macroporous-mesoporous alumina, which comprises the following steps: a, dissolving reaction assistants and aluminum salts into solution of an organic solvent, wherein the molar ratio of the reaction assistants and aluminum ions is (3-5): 1, dissolving a template agent into the solution, wherein the molar ratio of the aluminum ions and the template agent is 1: (0.015-0.025), and finally controlling the PH value of the solution to be 3.5-6.0; b, aging the solution prepared in Step a to gradually remove the organic solvent and water in the system, thereby obtaining a macroporous-mesoporous alumina precursor; c, calcinating at the temperature of 400-800 DEG C, thereby obtaining macroporous-mesoporous alumina powder. The invention has the advantages of simple process, regular pore canals and centralized pore size distribution, and can realize controlled regulation according to specific application conditions. Therefore, the invention has significant value of application in heterogeneous catalysis and adsorptive separation in the petrochemical industry and the use as the catalyst carrier, energy material and the like.

The invention provides a method for recovering valued metals from waste lithium cobaltate batteries, belongs to the technical field of recovery of waste power batteries, and can solve the problems of complex steps, environmental pollution, resource waste and the like existing in the conational method for recovering the valued metals from the waste lithium cobaltate batteries. According to the method, active substances of the batteries are soaked and stripped through an organic solvent, so that most of adhesive can be dissolved to directly obtain clean aluminum, copper, nickel foils and membranes, and direct contact reaction of subsequent acid liquor and lithium cobaltate is promoted; the organic solvent can be used at multiple stages; finally, recovery by distillation is performed; and LiCoO2 is dissolved by using sulfuric acid solution to prevent toxic gas from being produced, improve the working conditions and protect the environment. The recovery method provided by the invention has the advantages of simple process, environmental friendliness, low cost and high recovery rate.

This invention relates to a method for preparing cellulose ester acetate from plant cellulose in ionic liquid. The method comprises: (1) utilizing plant cellulose as the raw material; (2) dissolving plant cellulose in ionic liquid; (3) adding acylation agent into the ionic liquid, performing homogeneous acetylation on plant cellulose, washing the intermediate with water and drying; (4) separating and purifying dried intermediate to obtain cellulose ester acetate. This invention provides a method for homogeneously preparing cellulose ester acetate in clean solvent (ionic liquid) by using low quality plant cellulose as the raw material. The method solves the problem of high cost faced by the present methods.

The invention discloses a high-sensitivity capacitive flexible tactile sensor based on a three-dimensional porous microstructure composite dielectric layer and a manufacturing method thereof. The upper and lower surfaces of a three-dimensional porous microstructure composite dielectric layer are orderly provided with flexible isolation layers, flexible plates and flexible protection layers. According to the three-dimensional porous microstructure composite dielectric layer, a graphene/multi-wall carbon nanotube/silicone rubber conductive composite material is used as a force sensitive composite material, and dipping and coating the graphene/multi-wall carbon nanotube/silicone rubber conductive composite material at a polyurethane sponge three-dimensional framework surface layer, the three-dimensional porous microstructure composite dielectric layer is obtained through self-assembly. The capacitive flexible tactile sensor of the invention has good flexibility, detection sensitivity anddynamic response characteristics, and a design idea is provided for the design of the highly-sensitivity flexible tactile sensor for an electronic skin application of an intelligent robot.

The invention discloses a preparation method of a powder injection molded feeding material, which is applied to MIM (Metal Power Injection Molding) and CIM (Ceramic Power Injection Molding). The method comprises the following steps of S1, pre-treating, i.e. crushing an organic macromolecule polymer serving as a component of an adhesive into the powder with the same grain size as that of inorganic material powder to be mixed; S2, heating the inorganic material powder to the temperature at which the adhesive can be melted; S3, adding the adhesive into the pre-heated inorganic material powder to be mixed, so that the inorganic material powder and the adhesive are pre-felted into a block, wherein the adhesive comprises the organic macromolecule polymer which is treated in the step 1; S4, extruding the block to form particles, i.e. feeding the material treated in the step 3 into an extruder, and plasticizing, extruding and pelletizing the material to manufacture the powder injection molded feeding material. Due to the fact that the organic macromolecule polymer in the adhesive is crushed before mixing materials, after being added into the pre-heated inorganic material powder, the adhesive can be quickly melted and felted with the powder to form the block, the technical period is shortened, the energy consumption is reduced, and the low-melting point adhesive is prevented from being degraded and volatilized.

The invention discloses a method for preparing a superhydrophobic coating by adopting a supersonic electric arc spaying process. The method comprises the following steps of: firstly, roughening the surface of a substrate; then preparing a coating on the surface of the substrate by adopting a supersonic electric arc spaying technique; and finally, modifying the surface of the coating with a substance with low surface energy, and drying to form a superhydrophobic surface. The method disclosed by the invention has the advantages of easy operation, low cost and good repeatability and is suitable for industrial production. In addition, the method can be used for preparing superhydrophobic coatings on a variety of surfaces such as metal surfaces, glass surfaces and tile surfaces, thus the scope of application of the superhydrophobic coating can be broadened, and large-scale production with high market value can be archived.

The invention provides a Chinese medicinal herb-seaweed fertilizer composite biological agent and a preparation method thereof. Effective constituents are extracted from Chinese medicinal herbs and seaweed, which are used as main raw materials, to prepare the biological composite preparation. The Chinese medicinal herb-seaweed fertilizer composite biological agent not only reserves biological active substances in seaweed, but also enhances the drug effect of the Chinese medicinal herbs as insecticide. The biological composite preparation contains rich Chinese medicinal herbs and multiple active substances in seaweed, thereby enhancing the photosynthesis of crops, enhancing the crop yield and product quality, enhancing the drought tolerance, cold tolerance and stress tolerance of the crops, accelerating prematurity and fruit setting rate, preventing and killing various soil insects and enhancing the disease resistance of the crops. The invention has the advantages of low cost, favorable solubility and environmental protection, and is convenient for popularization.

The invention relates to an ammonium polyphosphate and montmorillonite nano compound and a preparation method thereof, which belong to the phosphorous compound preparation, composition, modification and crystalline control field. The method for preparing the nano compound comprises the following steps: montmorillonite is added during the preliminary stage of the process of general preparation of ammonium polyphosphate; ammonia is passed through when the temperature is raised to between 150 and 300 DEG C; heat preservation is performed when the temperature is raised to between 300 and 350 DEG C; and then the ammonium polyphosphate and montmorillonite nano compound are obtained after continuous ammoniation for 30 to 200 minutes. The preparation method controls the purity of an I-type polyphosphoric acid in the product through addition of a specific amount of the montmorillonite; the ammonium polyphosphate completely off a silicate slice of the montmorillonite; and nano-dispersion is formed in the ammonium polyphosphate, and then the ammonium polyphosphate and montmorillonite nano compound is obtained. The nano compound reduces the water solubility of the ammonium polyphosphate, has the function of improving the flame-retardant effect in inflaming retarding of polymer materials, and has the advantages of simple preparation technology and raw materials and low cost.

An image sensor includes a plurality of color sensors, a plurality of depth sensors, a near-infrared cut filter, a color filter, a pass filter and a rejection filter. The color sensors and depth sensors are formed on a substrate. The near-infrared cut filter and the color filter are formed on the color sensors. The pass filter is formed on the depth sensors, and is adapted to transmit light having a wavelength longer than an upper limit of a visible light wavelength. The pass filter has a multi-layer structure wherein a semiconductor material and a semiconductor oxide material are alternately stacked. The rejection filter is formed over the near-infrared cut filter, the color filter and the pass filter, and is adapted to transmit light having a wavelength shorter than an upper limit of a near-infrared light wavelength.

The invention provides a treating method for oily sludge and relates to the technical field of oily sludge treatment. The treating method provided by the invention comprises the following steps: heating and stirring oily sludge, standing and then performing solid-liquid separation, thereby acquiring oily mud and oily liquid; introducing the oily liquid into a sewage treatment system for performing oil-water separation, and extracting and purifying the separated oil; adding a reagent into the oily mud for tempering; after tempering, deeply dewatering, thereby acquiring dewatered oily mud and filtrate; performing oil-water separation on the filtrate; performing drying treatment and pyrolysis carbonizing treatment on the dewatered oily mud. The treatment method provided by the invention is simple, convenient and efficient and can realize the reduction, harmless and recycling treatment of the oily sludge, the whole treating process flow operation occupies less area and the investment cost is low.